Home / 112,654.97-168,921.84-45,153.13

Finding the Fourth Proportional to 112,654.97, 168,921.84 and 45,153.13

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Solution

The fourth proportional to 112,654.97, 168,921.84 and 45,153.13 is: 67,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,654.97 : 168,921.84 = 45,153.13 : x
  2. Step 2: Convert to fraction form
    112,654.97/168,921.84 = 45,153.13/x
  3. Step 3: Cross multiply
    112,654.97x = 168,921.84 × 45,153.13
  4. Step 4: Simplify right side
    112,654.97x = 7,627,349,801.36
  5. Step 5: Solve for x
    x = 7,627,349,801.36/112,654.97
  6. Step 6: Final answer
    x = 67,705.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.